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newlispfanclub.alh.net • View topic - List or quoted List

List or quoted List

Q&A's, tips, howto's

List or quoted List

Postby ssqq » Thu May 29, 2014 11:36 pm

function map accept a quoted list as its seconds arguments:

(map inc '(1 2 3 4 5))

but above expression returned a list? or a quoted list? I think its should be a quoted list, because it could used with second map:

(map inc (map inc '(1 2 3 4)))

I don't know if it is a macro with map, but the expression with map is evaluted with some delay.

How to know a primitive function is macro or common function?

The evaluted order about primitive function? I know `eval` is first should be evaluate than `println`.
ssqq
 
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Re: List or quoted List

Postby cormullion » Fri May 30, 2014 8:41 am

cormullion
 
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Re: List or quoted List

Postby ssqq » Sat May 31, 2014 12:25 am

I think must have a type of data structure -> 'lazy-list' in newLISP, which would not be evaluted when passed into function as argument. most of list processing function would return a 'lazy-list'.
ssqq
 
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Joined: Sun May 04, 2014 12:49 pm


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